Army officials say a Fort Riley officer has died while on deployment with the 1st Infantry Division in Afghanistan.

A release from Fort Riley on Friday says 31-year-old Capt. Michael Braden was pronounced dead at a medical facility on Bagram Airfield, Afghanistan. Braden was found unresponsive in his living quarters Wednesday morning.

The cause of death is under investigation.

Braden, of Lock Haven, Pa., was assigned to the 1st Infantry Division Headquarters and Headquarters Battalion. He was on his second deployment with the division, having served when it was in Iraq in 2010.

Braden graduated from Slippery Rock University and was commissioned in the Army in May 2003. He had been awarded the Bronze Star, Army Commendation Medal and the Army Achievement Medal.